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Lightroom Classic eats my CPU and gets worse with every update

New Here ,
Aug 10, 2020

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I used to love Lightroom. But now it just annoys me.
Apparently I'm one of 1000s of MacBook users experiencing CPU problems.
At times, CPU usage is over 700%.
The fan runs at full speed the whole time the app is open.
It often takes me 15mins to export 50 images at 2000px.

I've tried everything to speed things up:
- Using smart previews
- Turned off graphics accelerator
- Set my RAW cache to 20gb
- Purged all malware cleaners
- SMC reset
- Optimised catalogue

I have a subscription but I'm considering switching to Capture One.
I need this for my work but I can't work if my computer slows to a crawls every time I use Lightroom.

Suggestions welcome.

Intel MacBook Pro 2015

2,5 GHz Quad-Core Intel Core i7

16 GB 1600 MHz DDR3
AMD Radeon R9 M370X 2 GB

Intel Iris Pro 1536 MB



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Mac, Performance, Problem or error

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Lightroom Classic eats my CPU and gets worse with every update

New Here ,
Aug 10, 2020

Copy link to clipboard

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I used to love Lightroom. But now it just annoys me.
Apparently I'm one of 1000s of MacBook users experiencing CPU problems.
At times, CPU usage is over 700%.
The fan runs at full speed the whole time the app is open.
It often takes me 15mins to export 50 images at 2000px.

I've tried everything to speed things up:
- Using smart previews
- Turned off graphics accelerator
- Set my RAW cache to 20gb
- Purged all malware cleaners
- SMC reset
- Optimised catalogue

I have a subscription but I'm considering switching to Capture One.
I need this for my work but I can't work if my computer slows to a crawls every time I use Lightroom.

Suggestions welcome.

Intel MacBook Pro 2015

2,5 GHz Quad-Core Intel Core i7

16 GB 1600 MHz DDR3
AMD Radeon R9 M370X 2 GB

Intel Iris Pro 1536 MB



TOPICS
Mac, Performance, Problem or error

Views

33

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Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
Aug 10, 2020 0
Adobe Community Professional ,
Aug 10, 2020

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Exporting is always CPU intensive. It is designed that way to finish quickly.

Is there anything that LrC is doing in the background, like face recognition or cloud syncing?

 

You can use the Mac OS tools to lower the priority of LrC to "below normal" or the like. This will let the other programs run as they need while still letting LrC use all the remaining CPU cycles.

 

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Aug 10, 2020 1
GoldingD LATEST
LEGEND ,
Aug 11, 2020

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Are you running on battery or are you plugged into the wall outlet?

 

Just another Adobe customer; My Sys; APP: LRC 10.0, PS 22.0; CMP: WIN WS 16GB OS 10 v1909 (18363), mid 2015 MBPr 15” 16GB MACOS 10.15.7; 4K EXT DSPY; CAM: Canon 5D Mk III, Fuji X-T3

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Aug 11, 2020 0